defer drawing/work until first draw, to make debugging easier and speedup
instantiating the obj just to get its name.
git-svn-id: http://skia.googlecode.com/svn/trunk@3568 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/convexpaths.cpp b/gm/convexpaths.cpp
index 2c719e8..ebe715d 100644
--- a/gm/convexpaths.cpp
+++ b/gm/convexpaths.cpp
@@ -9,13 +9,28 @@
#include "SkRandom.h"
#include "SkTArray.h"
+class SkOnce : SkNoncopyable {
+public:
+ SkOnce() { fDidOnce = false; }
+
+ bool needToDo() const { return !fDidOnce; }
+ bool alreadyDone() const { return fDidOnce; }
+ void accomplished() {
+ SkASSERT(!fDidOnce);
+ fDidOnce = true;
+ }
+
+private:
+ bool fDidOnce;
+};
+
namespace skiagm {
class ConvexPathsGM : public GM {
+ SkOnce fOnce;
public:
ConvexPathsGM() {
this->setBGColor(0xFF000000);
- this->makePaths();
}
protected:
@@ -29,6 +44,11 @@
}
void makePaths() {
+ if (fOnce.alreadyDone()) {
+ return;
+ }
+ fOnce.accomplished();
+
// CW
fPaths.push_back().moveTo(0, 0);
fPaths.back().quadTo(50 * SK_Scalar1, 100 * SK_Scalar1,
@@ -169,6 +189,7 @@
}
virtual void onDraw(SkCanvas* canvas) {
+ this->makePaths();
SkPaint paint;
paint.setAntiAlias(true);